/**
 * OSAmI: Open Source Ambient Intelligence
 * Copyright (C) 2010 Bull S.A.S.
 * Contact: osami-general@osami-commons.org
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 */

package org.osami.gateway.storage.naive.internal;

import org.apache.felix.ipojo.annotations.Component;
import org.apache.felix.ipojo.annotations.Instantiate;
import org.apache.felix.ipojo.annotations.Provides;
import org.osami.gateway.alarm.IAlarm;
import org.osami.gateway.storage.IAlarmStorage;

import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;

@Component
@Instantiate
@Provides
public class NaiveAlarmStorage implements IAlarmStorage {
	
	private Map<String, IAlarm> alarms;
	
	public NaiveAlarmStorage() {
		this.alarms = new Hashtable<String, IAlarm>();
	}

	public IAlarm remove(String identifier) {
		synchronized(alarms) {
			return alarms.remove(identifier);
		}
	}

	public void store(IAlarm alarm) {
		synchronized(alarms) {
			alarms.put(alarm.getIdentifier(), alarm);
		}
	}

	public Iterator<IAlarm> iterator() {
		return alarms.values().iterator();
	}

}
